Butterflies have good eyesight within 10-12 feet, but any farther, things look blurry. They also must rely on ultraviolet colors (invisible to the human eye) to find mates and the right flowers.
Turn a Blind Eye: This phrase is attributed to Admiral Horatio Nelson during the Battle of Copenhagen in 1801. Nelson, who was blind in one eye, reportedly ignored a signal to retreat by lifting his telescope to his blind eye, thus "not seeing" the com
A new screw-driven robot prototype can autonomously navigate and mine rocky planets like Mars using Archimedean screws, ideal for challenging surfaces like sand and snow. Developed with EU support, it holds potential for extraterrestrial mining missions.
